Famous Friends of Sienna Miller

List of famous people who are friends with Sienna Miller. Friends are listed below with photos when available. Every person on this list has either been seen in public with Sienna Miller, or is known to be acquaintances or best friends with Sienna Miller. "Best Friend" is a title that can change at any time, so this list includes all close friends of Sienna Miller throughout their career. From the people who have had a falling out with Sienna Miller to Sienna Miller's current best friend. Notable examples are listed below. If you see any Sienna Miller friends that are missing from the list, you can add them below and make this list of Sienna Miller's friends that much better. (10 Items)